//let str = 'ss15298779889ddddd';
//console.log(/\d{11}/.exec(str)); 
let url = 'http://api.map.baidu.com/api?type=webgl&v=1.0&ak=LLRDcuPOXIqsiNrQzhWboYBUq5w1eVHh'
let.reg = /[?&]([^?&]+)=([^?&=]*)/g;
console.log(url.exec(url));
